{"id":"UBUNTU-CVE-2021-43086","details":"ARM astcenc 3.2.0 is vulnerable to Buffer Overflow. When the compression function of the astc-encoder project with -cl option was used, a stack-buffer-overflow occurred in function encode_ise() in function compress_symbolic_block_for_partition_2planes() in \"/Source/astcenc_compress_symbolic.cpp\".","modified":"2026-05-20T16:05:16.785258283Z","published":"2022-02-28T15:15:00Z","upstream":["CVE-2021-43086"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2021-43086"},{"type":"REPORT","url":"https://github.com/ARM-software/astc-encoder/issues/296."},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2021-43086"}],"affected":[{"package":{"name":"astc-encoder","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/astc-encoder?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.1+ds-3","3.2+ds-2","3.3+ds-1"],"ecosystem_specific":{"binaries":[{"binary_version":"3.3+ds-1","binary_name":"astcenc"},{"binary_name":"libastcenc1d","binary_version":"3.3+ds-1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-43086.json"}},{"package":{"name":"astc-encoder","ecosystem":"Ubuntu:24.04:LTS","purl":"pkg:deb/ubuntu/astc-encoder?arch=source&distro=noble"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["4.5.0+ds-2","4.7.0+ds-2","4.7.0+ds-2build1","4.7.0+ds-2build2","4.7.0+ds-2build3"],"ecosystem_specific":{"binaries":[{"binary_version":"4.7.0+ds-2build3","binary_name":"astcenc"},{"binary_name":"libastcenc5d","binary_version":"4.7.0+ds-2build3"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-43086.json"}},{"package":{"name":"astc-encoder","ecosystem":"Ubuntu:25.10","purl":"pkg:deb/ubuntu/astc-encoder?arch=source&distro=questing"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["5.1.0+ds-2","5.2.0+ds-1"],"ecosystem_specific":{"binaries":[{"binary_name":"astcenc","binary_version":"5.2.0+ds-1"},{"binary_version":"5.2.0+ds-1","binary_name":"libastcenc5d"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-43086.json"}},{"package":{"name":"astc-encoder","ecosystem":"Ubuntu:26.04:LTS","purl":"pkg:deb/ubuntu/astc-encoder?arch=source&distro=resolute"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["5.2.0+ds-1","5.3.0+ds-5"],"ecosystem_specific":{"binaries":[{"binary_name":"astcenc","binary_version":"5.3.0+ds-5"},{"binary_name":"libastcenc5d","binary_version":"5.3.0+ds-5"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-43086.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},{"type":"Ubuntu","score":"medium"}]}